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Add an option to set the key sent by backspace for those whose system

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uses ^H rather than ^?. GitHub issue 1969.
This commit is contained in:
nicm
2019-11-14 07:55:01 +00:00
parent c225262e13
commit 08b07b1a08
5 changed files with 32 additions and 9 deletions
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12
key-string.c
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@@ -159,7 +159,7 @@ key_string_get_modifiers(const char **string)
key_code
key_string_lookup_string(const char *string)
{
static const char *other = "!#()+,-.0123456789:;<=>?'\r\t";
static const char *other = "!#()+,-.0123456789:;<=>'\r\t";
key_code key;
u_int u;
key_code modifiers;
@@ -196,7 +196,7 @@ key_string_lookup_string(const char *string)
/* Is this a standard ASCII key? */
if (string[1] == '\0' && (u_char)string[0] <= 127) {
key = (u_char)string[0];
if (key < 32 || key == 127)
if (key < 32)
return (KEYC_UNKNOWN);
} else {
/* Try as a UTF-8 key. */
@@ -226,6 +226,8 @@ key_string_lookup_string(const char *string)
key -= 64;
else if (key == 32)
key = 0;
else if (key == '?')
key = 127;
else if (key == 63)
key = KEYC_BSPACE;
else
@@ -329,7 +331,7 @@ key_string_lookup_key(key_code key)
}
/* Invalid keys are errors. */
if (key == 127 || key > 255) {
if (key > 255) {
snprintf(out, sizeof out, "Invalid#%llx", key);
return (out);
}
@@ -343,7 +345,9 @@ key_string_lookup_key(key_code key)
} else if (key >= 32 && key <= 126) {
tmp[0] = key;
tmp[1] = '\0';
} else if (key >= 128)
} else if (key == 127)
xsnprintf(tmp, sizeof tmp, "C-?");
else if (key >= 128)
xsnprintf(tmp, sizeof tmp, "\\%llo", key);
strlcat(out, tmp, sizeof out);